package com.aolei.mallshop.order.web;

import com.aolei.common.exception.NoStockException;
import com.aolei.common.vo.MemberEntityVo;
import com.aolei.mallshop.order.service.OrderService;
import com.aolei.mallshop.order.vo.OrderConfirmVo;
import com.aolei.mallshop.order.vo.OrderSubmitVo;
import com.aolei.mallshop.order.vo.SubmitOrderResponseVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import javax.annotation.PostConstruct;
import javax.servlet.http.HttpSession;
import java.util.concurrent.ExecutionException;

@Controller
public class OrderWebController {

    @Autowired
    private OrderService orderService;

    @GetMapping("/toTrade")
    public String toTrade(HttpSession session, Model model) throws ExecutionException, InterruptedException {
        OrderConfirmVo confirmVo = orderService.confirmOrder();
        model.addAttribute("orderConfirmData",confirmVo);
        return "confirm";
    }

    @PostMapping("/submitOrder")
    public String submitOrder(OrderSubmitVo vo, Model model, RedirectAttributes redirectAttributes){

        try {
            SubmitOrderResponseVo responseVo = orderService.submitOrder(vo);

        //去创建订单，验令牌，验价格，锁库存
        //下单成功来到支付页
        //下单失败回到订单确认页重新确认订单
        if (responseVo.getCode()==0){
            model.addAttribute("submitOrderResp",responseVo);
            return "pay";
        }else {
            String msg="下单失败:";
            switch (responseVo.getCode()){
                case 1: msg=msg+"订单信息过期，请刷新再次提交"; break;
                case 2: msg=msg+"订单商品价格发生变化，请确认后再次提交"; break;
                case 3: msg=msg+"库存锁定失败，商品库存不足"; break;
            }
            redirectAttributes.addFlashAttribute("msg",msg);
            return "redirect:http://order.mallshop.com/toTrade";
        }
        }catch (Exception e){
            if (e instanceof NoStockException) {
                String message = ((NoStockException)e).getMessage();
                redirectAttributes.addFlashAttribute("msg",message);
            }
            return "redirect:http://order.gulimall.com/toTrade";
        }
    }
}
